pihkaal/cmeta
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feat: skip strings

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This commit is contained in:
Stevan
2026-05-22 00:54:07 +02:00
parent 3736df7249
commit ac6945e926
3 changed files with 57 additions and 31 deletions
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1
README.md
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@@ -9,6 +9,7 @@ Single Heaer Meta Programming Header Library for C. The same header for both cod
- Only parses `typedef struct { ... } type_name;`
- Will generate colliding definitions in case of types with the same name
- Parsing expects more or less correct code, if you forget a semi it will generating bad code
## Quick start

27
cmeta.h
View File

@@ -15,6 +15,15 @@ typedef struct {
} Struct_Info;
// AUTO GENERATED CODE //
Struct_Info foo_struct_info = { // cmeta.h:478
.name = "Foo_Struct", // cmeta.h:479
.fields_count = 3, // cmeta.h:480
.fields = (Field_Info[3]) { // cmeta.h:481
{ .type = "int ", .name = "int_field" }, // cmeta.h:483
{ .type = "char* ", .name = "char_star_field" }, // cmeta.h:483
{ .type = "const char* ", .name = "const_char_star_field" }, // cmeta.h:483
}, // cmeta.h:485
}; // cmeta.h:486
// AUTO GENERATED CODE //
#ifdef CMETA_COMPTIME
@@ -229,7 +238,6 @@ char* sv_to_string(String_View sv) {
typedef enum {
TOKEN_IDENT,
TOKEN_DQUOTE,
TOKEN_OPAREN,
TOKEN_CPAREN,
TOKEN_OCURLY,
@@ -242,9 +250,9 @@ typedef enum {
} Token_Kind;
const char* token_kind_to_str(Token_Kind token) {
static_assert(__token_kind_count == 9, "Update the token_kind_to_str table");
switch (token) {
case TOKEN_IDENT: return "identifier";
case TOKEN_DQUOTE: return "\"";
case TOKEN_OPAREN: return "(";
case TOKEN_CPAREN: return ")";
case TOKEN_OCURLY: return "{";
@@ -255,7 +263,6 @@ const char* token_kind_to_str(Token_Kind token) {
case TOKEN_EOF: return "EOF";
default: assert(false && "Unreachable");
}
static_assert(__token_kind_count == 10, "Update the token_kind_to_str table");
}
typedef struct {
@@ -299,9 +306,19 @@ bool lexer_next(Lexer* lexer, Token* token) {
return true;
}
static_assert(__token_kind_count == 9, "Update lexer_next");
switch (lexer->text.data[0]) {
// TODO: while in string, keep calling next
case '"': *token = lexer_make_token(lexer, TOKEN_DQUOTE, 1); return true;
// we don't want to parse type definitions in strings
case '"': {
do {
String_View ch = sv_shift(&lexer->text, 1);
if (sv_eq_cstr(ch, "\\")) sv_shift(&lexer->text, 1);
}
while (lexer->text.len > 0 && lexer->text.data[0] != '"');
sv_shift(&lexer->text, 1);
return lexer_next(lexer, token);
}
case '*': *token = lexer_make_token(lexer, TOKEN_STAR, 1); return true;
case '(': *token = lexer_make_token(lexer, TOKEN_OPAREN, 1); return true;
case ')': *token = lexer_make_token(lexer, TOKEN_CPAREN, 1); return true;

36
example/01_simple_struct/cmeta.h
View File

@@ -15,15 +15,15 @@ typedef struct {
} Struct_Info;
// AUTO GENERATED CODE //
Struct_Info foo_struct_info = { // cmeta.h:470
.name = "Foo_Struct", // cmeta.h:471
.fields_count = 3, // cmeta.h:472
.fields = (Field_Info[3]) { // cmeta.h:473
{ .type = "int ", .name = "int_field" }, // cmeta.h:475
{ .type = "char* ", .name = "char_star_field" }, // cmeta.h:475
{ .type = "const char* ", .name = "const_char_star_field" }, // cmeta.h:475
}, // cmeta.h:477
}; // cmeta.h:478
Struct_Info foo_struct_info = { // cmeta.h:478
.name = "Foo_Struct", // cmeta.h:479
.fields_count = 3, // cmeta.h:480
.fields = (Field_Info[3]) { // cmeta.h:481
{ .type = "int ", .name = "int_field" }, // cmeta.h:483
{ .type = "char* ", .name = "char_star_field" }, // cmeta.h:483
{ .type = "const char* ", .name = "const_char_star_field" }, // cmeta.h:483
}, // cmeta.h:485
}; // cmeta.h:486
// AUTO GENERATED CODE //
#ifdef CMETA_COMPTIME
@@ -238,7 +238,6 @@ char* sv_to_string(String_View sv) {
typedef enum {
TOKEN_IDENT,
TOKEN_DQUOTE,
TOKEN_OPAREN,
TOKEN_CPAREN,
TOKEN_OCURLY,
@@ -251,9 +250,9 @@ typedef enum {
} Token_Kind;
const char* token_kind_to_str(Token_Kind token) {
static_assert(__token_kind_count == 9, "Update the token_kind_to_str table");
switch (token) {
case TOKEN_IDENT: return "identifier";
case TOKEN_DQUOTE: return "\"";
case TOKEN_OPAREN: return "(";
case TOKEN_CPAREN: return ")";
case TOKEN_OCURLY: return "{";
@@ -264,7 +263,6 @@ const char* token_kind_to_str(Token_Kind token) {
case TOKEN_EOF: return "EOF";
default: assert(false && "Unreachable");
}
static_assert(__token_kind_count == 10, "Update the token_kind_to_str table");
}
typedef struct {
@@ -308,9 +306,19 @@ bool lexer_next(Lexer* lexer, Token* token) {
return true;
}
static_assert(__token_kind_count == 9, "Update lexer_next");
switch (lexer->text.data[0]) {
// TODO: while in string, keep calling next
case '"': *token = lexer_make_token(lexer, TOKEN_DQUOTE, 1); return true;
// we don't want to parse type definitions in strings
case '"': {
do {
String_View ch = sv_shift(&lexer->text, 1);
if (sv_eq_cstr(ch, "\\")) sv_shift(&lexer->text, 1);
}
while (lexer->text.len > 0 && lexer->text.data[0] != '"');
sv_shift(&lexer->text, 1);
return lexer_next(lexer, token);
}
case '*': *token = lexer_make_token(lexer, TOKEN_STAR, 1); return true;
case '(': *token = lexer_make_token(lexer, TOKEN_OPAREN, 1); return true;
case ')': *token = lexer_make_token(lexer, TOKEN_CPAREN, 1); return true;